Proton Authenticator
Proton Authenticator Summary
Proton Authenticator is a free Android app in Productivity by Proton AG. Released in Jul 2025 (1 year ago). It has about 527K+ installs and 14K ratings with a 4.84★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 43K monthly active users . Store last updated Jul 24, 2026
Recent activity: 9.8K installs this week (35K over 4 weeks) showing above average growth , and 442 new ratings this week View trends →
SDK intelligence: AppGoblin detected 8 development tools(e.g. Airbnb Engineering), 1 analytics: product,and 1 business tools integrated into Proton Authenticator. View full SDK list →
Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jun 1, 2026.
Proton Authenticator SDKs Summary
Proton Authenticator was last scanned for SDKs on 2026-07-30. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Airbnb Engineering
Jake Wharton
JetBrains IntelliJ
Square
Firebase
JourneyApps4.84★
Ratings: 14K
Screenshots
App Description
Secure, end-to-end encrypted, open source, and available on every device
Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Proton Authenticator is open-source, end-to-end encrypted, and backed by Swiss privacy laws. It’s the safest way to generate and store your one-time passwords (TOTP) for 2FA Login.
Why Proton Authenticator?
- Free to use: No Proton account required, ad-free.
- Offline support, on mobile and desktop apps
- Sync your 2FA codes to all your devices with end-to-end encryption.
- Enable automatic backups for peace of mind
- Easily import from other 2FA apps, or export from Proton Authenticator.
- Protect your account with biometrics or a PIN code.
- Open-source transparency, verifiable code.
- Protected by Switzerland’s privacy laws.
Trusted by millions. Built by Proton.
Take control of your digital security today.